http://www.gimp.org/

http://www.itc.virginia.edu/desktop/mac/osx_intro/osxintro.html

http://www.wired.com/culture/lifestyle/news/2001/09/47132

http://www.tate.org.uk/tateetc/issue8/erasurerevelation.htm

http://www.peachpit.com/articles/article.asp?p=434249&rl=1

http://www.wired.com/culture/lifestyle/news/2002/06/53348

http://www.webmonkey.com/96/53/index0a.html?tw=authoring

https://startit.artic.edu/helpdesk/ftp/setup_mac.shtml

http://www.webmonkey.com/webmonkey/reference/html_cheatsheet/

http://www.webmonkey.com/authoring/tools/tutorials/tutorial1.html

http://www.webmonkey.com/webmonkey/authoring/stylesheets/tutorials/tutorial1.html

http://csszengarden.com/

Xerox

http://en.wikipedia.org/wiki/Xerox_PARC

http://en.wikipedia.org/wiki/1960s

http://en.wikipedia.org/wiki/1970s